diff options
Diffstat (limited to 'drivers/hid/usbhid')
| -rw-r--r-- | drivers/hid/usbhid/hid-pidff.c | 46 | ||||
| -rw-r--r-- | drivers/hid/usbhid/hid-pidff.h | 3 |
2 files changed, 24 insertions, 25 deletions
diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c index 8dfd2c554a27..614a20b62023 100644 --- a/drivers/hid/usbhid/hid-pidff.c +++ b/drivers/hid/usbhid/hid-pidff.c @@ -210,9 +210,7 @@ struct pidff_device { */ static s32 pidff_clamp(s32 i, struct hid_field *field) { - s32 clamped = clamp(i, field->logical_minimum, field->logical_maximum); - pr_debug("clamped from %d to %d", i, clamped); - return clamped; + return (s32)clamp(i, field->logical_minimum, field->logical_maximum); } /* @@ -229,8 +227,10 @@ static int pidff_rescale(int i, int max, struct hid_field *field) */ static int pidff_rescale_signed(int i, struct hid_field *field) { - if (i > 0) return i * field->logical_maximum / S16_MAX; - if (i < 0) return i * field->logical_minimum / S16_MIN; + if (i > 0) + return i * field->logical_maximum / S16_MAX; + if (i < 0) + return i * field->logical_minimum / S16_MIN; return 0; } @@ -241,11 +241,11 @@ static u32 pidff_rescale_time(u16 time, struct hid_field *field) { u32 scaled_time = time; int exponent = field->unit_exponent; - pr_debug("time field exponent: %d\n", exponent); - for (;exponent < FF_TIME_EXPONENT; exponent++) + pr_debug("time field exponent: %d\n", exponent); + for (; exponent < FF_TIME_EXPONENT; exponent++) scaled_time *= 10; - for (;exponent > FF_TIME_EXPONENT; exponent--) + for (; exponent > FF_TIME_EXPONENT; exponent--) scaled_time /= 10; pr_debug("time calculated from %d to %d\n", time, scaled_time); @@ -275,8 +275,8 @@ static void pidff_set_signed(struct pidff_usage *usage, s16 value) static void pidff_set_time(struct pidff_usage *usage, u16 time) { - u32 modified_time = pidff_rescale_time(time, usage->field); - usage->value[0] = pidff_clamp(modified_time, usage->field); + usage->value[0] = pidff_clamp( + pidff_rescale_time(time, usage->field), usage->field); } static void pidff_set_duration(struct pidff_usage *usage, u16 duration) @@ -332,6 +332,7 @@ static int pidff_needs_set_envelope(struct ff_envelope *envelope, struct ff_envelope *old) { bool needs_new_envelope; + needs_new_envelope = envelope->attack_level != 0 || envelope->fade_level != 0 || envelope->attack_length != 0 || @@ -568,7 +569,7 @@ static void pidff_set_device_control(struct pidff_device *pidff, int field) hid_dbg(pidff->hid, "DEVICE_CONTROL is a bitmask\n"); /* Clear current bitmask */ - for(i = 0; i < sizeof(pidff_device_control); i++) { + for (i = 0; i < sizeof(pidff_device_control); i++) { index = pidff->control_id[i]; if (index < 1) continue; @@ -619,7 +620,7 @@ static void pidff_fetch_pool(struct pidff_device *pidff) struct hid_device *hid = pidff->hid; /* Repeat if PID_SIMULTANEOUS_MAX < 2 to make sure it's correct */ - for(i = 0; i < 20; i++) { + for (i = 0; i < 20; i++) { hid_hw_request(hid, pidff->reports[PID_POOL], HID_REQ_GET_REPORT); hid_hw_wait(hid); @@ -715,6 +716,7 @@ static void pidff_playback_pid(struct pidff_device *pidff, int pid_id, int n) static int pidff_playback(struct input_dev *dev, int effect_id, int value) { struct pidff_device *pidff = dev->ff->private; + pidff_playback_pid(pidff, pidff->pid_id[effect_id], value); return 0; } @@ -849,7 +851,7 @@ static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect, case FF_INERTIA: case FF_FRICTION: if (!old) { - switch(effect->type) { + switch (effect->type) { case FF_SPRING: type_id = PID_SPRING; break; @@ -940,7 +942,7 @@ static int pidff_find_fields(struct pidff_usage *usage, const u8 *table, struct hid_report *report, int count, int strict) { if (!report) { - pr_debug("pidff_find_fields, null report\n"); + pr_debug("%s, null report\n", __func__); return -1; } @@ -974,13 +976,11 @@ static int pidff_find_fields(struct pidff_usage *usage, const u8 *table, pr_debug("Delay field not found, but that's OK\n"); pr_debug("Setting MISSING_DELAY quirk\n"); return_value |= HID_PIDFF_QUIRK_MISSING_DELAY; - } - else if (!found && table[k] == pidff_set_condition[PID_PARAM_BLOCK_OFFSET]) { + } else if (!found && table[k] == pidff_set_condition[PID_PARAM_BLOCK_OFFSET]) { pr_debug("PBO field not found, but that's OK\n"); pr_debug("Setting MISSING_PBO quirk\n"); return_value |= HID_PIDFF_QUIRK_MISSING_PBO; - } - else if (!found && strict) { + } else if (!found && strict) { pr_debug("failed to locate %d\n", k); return -1; } @@ -1069,7 +1069,7 @@ static struct hid_field *pidff_find_special_field(struct hid_report *report, int usage, int enforce_min) { if (!report) { - pr_debug("pidff_find_special_field, null report\n"); + pr_debug("%s, null report\n", __func__); return NULL; } @@ -1081,10 +1081,9 @@ static struct hid_field *pidff_find_special_field(struct hid_report *report, if (!enforce_min || report->field[i]->logical_minimum == 1) return report->field[i]; - else { - pr_err("logical_minimum is not 1 as it should be\n"); - return NULL; - } + + pr_err("logical_minimum is not 1 as it should be\n"); + return NULL; } } return NULL; @@ -1207,6 +1206,7 @@ static int pidff_find_effects(struct pidff_device *pidff, for (i = 0; i < sizeof(pidff_effect_types); i++) { int pidff_type = pidff->type_id[i]; + if (pidff->set_effect_type->usage[pidff_type].hid != pidff->create_new_effect_type->usage[pidff_type].hid) { hid_err(pidff->hid, diff --git a/drivers/hid/usbhid/hid-pidff.h b/drivers/hid/usbhid/hid-pidff.h index dda571e0a5bd..a53a8b436baa 100644 --- a/drivers/hid/usbhid/hid-pidff.h +++ b/drivers/hid/usbhid/hid-pidff.h @@ -9,8 +9,7 @@ /* Delay field (0xA7) missing. Skip it during set effect report upload */ #define HID_PIDFF_QUIRK_MISSING_DELAY BIT(0) -/* Missing Paramter block offset (0x23). Skip it during SET_CONDITION - report upload */ +/* Missing Paramter block offset (0x23). Skip it during SET_CONDITION upload */ #define HID_PIDFF_QUIRK_MISSING_PBO BIT(1) /* Initialise device control field even if logical_minimum != 1 */ |